High accuracy sensors require high accuracy calibration solutions.

Atlas Scientific pH calibration solutions are made using a four-stage process to ensure the highest accuracy. 

• 1x pH 4.00, 1x pH 7.00 and 1x pH 10.00

• 20ml each pouch

• ±0.02 pH at 25°C

• Works with any pH Probe

• Standardized against NIST-certified references

• 2 year shelf life at room temperature

It may happen that you want to return an order. Because the product does not suit you, maybe there is another reason why you would not want the order. Whatever the reason, you have the right to cancel your order up to 14 days after receipt without giving a reason.

After cancellation you have 14 days to return your product. You will then be credited 85% order amount excluding shipping. For more information click the following link: /pages/shipping-and-returns

The pH Calibration Set (3 pouches) comes with:

• 1x pH 4.00 pouch

• 1x pH 7.00 pouch

• 1x pH 10.00 pouch

• pH 4.00, 7.00, 10.00 SDS